/*
 * Copyright (c) 2000, 2004, Oracle and/or its affiliates. All rights reserved.
 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 */

package com.sun.corba.se.impl.protocol.giopmsgheaders;

import org.omg.CORBA.Principal;
import com.sun.corba.se.spi.servicecontext.ServiceContexts;
import com.sun.corba.se.spi.ior.iiop.GIOPVersion;
import com.sun.corba.se.spi.orb.ORB;
import com.sun.corba.se.spi.ior.ObjectKey;

/**
 * This implements the GIOP 1.0 Request header.
 *
 * @author Ram Jeyaraman 05/14/2000
 */

public final class RequestMessage_1_0 extends Message_1_0
    implements RequestMessage {

  // Instance variables

  private ORB orb = null;
  private ServiceContexts service_contexts = null;
  private int request_id = (int) 0;
  private boolean response_expected = false;
  private byte[] object_key = null;
  private String operation = null;
  private Principal requesting_principal = null;
  private ObjectKey objectKey = null;

  // Constructor

  RequestMessage_1_0(ORB orb) {
    this.orb = orb;
  }

  RequestMessage_1_0(ORB orb, ServiceContexts _service_contexts,
      int _request_id, boolean _response_expected, byte[] _object_key,
      String _operation, Principal _requesting_principal) {
    super(Message.GIOPBigMagic, false, Message.GIOPRequest, 0);
    this.orb = orb;
    service_contexts = _service_contexts;
    request_id = _request_id;
    response_expected = _response_expected;
    object_key = _object_key;
    operation = _operation;
    requesting_principal = _requesting_principal;
  }

  // Accessor methods (RequestMessage interface)

  public ServiceContexts getServiceContexts() {
    return this.service_contexts;
  }

  public int getRequestId() {
    return this.request_id;
  }

  public boolean isResponseExpected() {
    return this.response_expected;
  }

  public byte[] getReserved() {
    // REVISIT Should we throw an exception or return null ?
    return null;
  }

  public ObjectKey getObjectKey() {
    if (this.objectKey == null) {
      // this will raise a MARSHAL exception upon errors.
      this.objectKey = MessageBase.extractObjectKey(object_key, orb);
    }

    return this.objectKey;
  }

  public String getOperation() {
    return this.operation;
  }

  public Principal getPrincipal() {
    return this.requesting_principal;
  }

  // Mutators

  public void setThreadPoolToUse(int poolToUse) {
    // No-op, must be GIOP Version 1.1 or greater
    // to support this SUN PROPRIETARY EXTENSION.
  }

  // IO methods

  public void read(org.omg.CORBA.portable.InputStream istream) {
    super.read(istream);
    this.service_contexts
        = new ServiceContexts((org.omg.CORBA_2_3.portable.InputStream) istream);
    this.request_id = istream.read_ulong();
    this.response_expected = istream.read_boolean();
    int _len0 = istream.read_long();
    this.object_key = new byte[_len0];
    istream.read_octet_array(this.object_key, 0, _len0);
    this.operation = istream.read_string();
    this.requesting_principal = istream.read_Principal();
  }

  public void write(org.omg.CORBA.portable.OutputStream ostream) {
    super.write(ostream);
    if (this.service_contexts != null) {
      service_contexts.write(
          (org.omg.CORBA_2_3.portable.OutputStream) ostream,
          GIOPVersion.V1_0);
    } else {
      ServiceContexts.writeNullServiceContext(
          (org.omg.CORBA_2_3.portable.OutputStream) ostream);
    }
    ostream.write_ulong(this.request_id);
    ostream.write_boolean(this.response_expected);
    nullCheck(this.object_key);
    ostream.write_long(this.object_key.length);
    ostream.write_octet_array(this.object_key, 0, this.object_key.length);
    ostream.write_string(this.operation);
    if (this.requesting_principal != null) {
      ostream.write_Principal(this.requesting_principal);
    } else {
      ostream.write_long(0);
    }
  }

  public void callback(MessageHandler handler)
      throws java.io.IOException {
    handler.handleInput(this);
  }
} // class RequestMessage_1_0
